@book{33275,
	author = {Tilton, Richard C.},
	title = {Pretest microbiology : Pretest self-assessment and review /},
	publisher = {McGraw-Hill,},
	year = {1999},
	series = {McGraw-Hill Health Professions Division Pretest Series},
	address = {n.p. :},
	edition = {9th ed}
}